Self-propelled pesticide and chemical fertilizer spraying device for plant greening

The utility model discloses a self-propelled plant greening pesticide and chemical fertilizer spraying device which is characterized in that a proportioning box is arranged at the top of a bottom plate, a switching cylinder is arranged on one side of the proportioning box, the switching cylinder is communicated with the proportioning box through a mounting pipe, a first one-way valve is arranged on the mounting pipe, and a second one-way valve is arranged on the first one-way valve. A first one-way valve is arranged on the bottom plate, the direction of the first one-way valve points to the transfer cylinder from the proportioning box, a connecting pipe is arranged on the transfer cylinder, a spray head is installed at one end of the connecting pipe, a second one-way valve head is arranged on the connecting pipe, and a handrail rod is arranged on the side portion of the bottom plate. The rotating turntable can drive the connecting rod to reciprocate up and down to drive the piston plate to move, when the conn